A sonar station fricks up a return single after 3 seconds.how far away is the object (speed of sound in water=1440m/s)
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distance = velocity* time/2
v = 1440m/s (in water)
t = 3 sec
so, d = 1440m/s*3s/2
d = 4320m/2
d = 2160m
v = 1440m/s (in water)
t = 3 sec
so, d = 1440m/s*3s/2
d = 4320m/2
d = 2160m
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